Re: NO Bug in CRichEditCtrl::GetLine()

;P. i got it. and i also know why i get part of line text by another GetLine(). because the first WORD of this buffer may not be cleaned. it has random value.

--- In [email protected], "Alain Rist" <ar@...> wrote:
>
> Try with 65535 and guess why it will work :)
> 
> 
>   ----- Original Message ----- 
>   From: hawkgao 
>   To: [email protected] 
>   Sent: Monday, March 09, 2009 8:47 AM
>   Subject: Re: [wtl]NO Bug in CRichEditCtrl::GetLine()
> 
> 
>   I have tried this member function. I use a 65536 TCHARes long buffer. it returned an empty line to me. nothing can be gotten.
> 
>   --- In [email protected], "Alain Rist" <ar@> wrote:
>   >
>   > In the doc for EM_GETLINE:
>   > 'Before sending the message, set the first word of this buffer to the size, in TCHARs, of the buffer.'
>   > 
>   > 
>   > ----- Original Message ----- 
>   > From: hawkgao 
>   > To: [email protected] 
>   > Sent: Monday, March 09, 2009 7:13 AM
>   > Subject: [wtl] Bug Report, in CRichEditCtrl::GetLine()
>   > 
>   > 
>   > int GetLine(int nIndex, LPTSTR lpszBuffer, int nMaxLength) const
>   > {
>   > ATLASSERT(::IsWindow(m_hWnd));
>   > *(LPWORD)lpszBuffer = (WORD)nMaxLength; //WRONG! assign length to buffer address variable.
>   > return (int)::SendMessage(m_hWnd, EM_GETLINE, nIndex, (LPARAM)lpszBuffer);
>   > }
>   > 
>   > 
>   > 
>   > 
>   > [Non-text portions of this message have been removed]
>   >
> 
> 
>   
> 
> [Non-text portions of this message have been removed]
>




------------------------------------

Yahoo! Groups Links

<*> To visit your group on the web, go to:
    http://groups.yahoo.com/group/wtl/

<*> Your email settings:
    Individual Email | Traditional

<*> To change settings online go to:
    http://groups.yahoo.com/group/wtl/join
    (Yahoo! ID required)

<*> To change settings via email:
    mailto:[email protected] 
    mailto:[email protected]

<*> To unsubscribe from this group, send an email to:
    [email protected]

<*> Your use of Yahoo! Groups is subject to:
    http://docs.yahoo.com/info/terms/